OJ在线编程常见输入输出练习场 F 题

import java.util.Scanner;

public class Main {
    public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        int n;
        while(sc.hasNext()){
        n=sc.nextInt();
            int sum = 0;
            for (int i = 0; i < n; i++) {
                sum += sc.nextInt();
            }
            System.out.println(sum);

    }
    }
}